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Abstract
Manganese bis(hexafluoroacetylacetonate), Mn(hfac)2, reacts with 1,3-bis-(N-oxy-tert-butylamino)benzene, 1, to give a 1:1 polymeric complex of formula [Mn(hfac)2·1] n . An X-ray crystal structure analysis reveals that the manganese(II) ion and the molecule of 1 makes one-dimensional chains by ligation of the latter serving as a bis(monodentate) ligand to the former A crystalline sample of the complex undergoes transition to a metamagnet at 5.5 K. In the ordered phase, it exhibits a large uniaxial magnetic anisotropy with the uniaxial anisotropy constant, Ku1, of 8.3 × 106 J m−3 by single crystal magnetic measurements.